Show EXTENSIVE PROBE OF DU PONT LOOMS WASHINGTON July 30 ByTho Associated Press One One of the most extensive Investigations In the his Isis history hIstory tory of the federal trade commission commissions Is s augured by its decision to inquire Into nto the relationships between the E S. L Du Pont de Nemours company the General Motors corporation and tho the United States Steel corporation The chIef hief economist of the commission t will conduct the inquiry under its Its' order issued yesterday and his chief chic will be to study whether the relationships tend to bring brine a corn com f I t between he the three corporations and Its economic con COD sequences Such an alleged com corn community community of Interests was vas described as asa asa asa a matter 13 of public concern conc rn |